阅读对话,根据横线后所给标点符号的提示,在横线上填写适当的句子,使对话完整。

A: Hello, Betty. What did you do last summer vacation?

B: I visited my uncle.

A: ______小题1:________________?

B: He lives in Dalian, a beautiful city.

A: ________小题2:_________________?

B: I stayed there for a week. Have you been to Dalian?

A: No, I haven’t. But I’m going to spend a holiday there.

B: You’d better go to Dalian in summer. So you can enjoy swimming in the sea.

A: _____小题3:_______. I will go there this summer vacation.

接诊Ⅳ度喉梗阻患者，正确的处理是（）

A.立即应用足量有效的抗生素和糖皮质激素

B.立即查明病因，及时进行病因治疗，如喉异物取出、咽后脓肿切开，可立即解除喉阻塞

C.密切观察病情，做好气管切开术的准备

D.立即行气管切开术，若病情十分紧急，可先行环甲膜切开术或气管插管

E.以上都正确